Use the YubiKey Personalization Tool to program your YubiKey in the following modes:

Yubico OTP

OATH-HOTP

Static Password

Challenge-Response

You can also use the tool to check the type and firmware of a YubiKey, or to perform batch programming of a large number of YubiKeys.

In addition, you can use the extended settings to specify other settings, such as to disable fast triggering, which will prevent the accidental triggering of the nano-sized YubiKeys when only slot 1 is configured.

Note: Re-programming your YubiKey’s first configuration slot will overwrite the YubiCloud configuration, and you cannot undo this action. Use care when you configure your YubiKey.

Downloading the YubiKey Personalization Tool

By downloading any of the Yubico Personalization Tool applications, you are agreeing to the terms and conditions in the Yubico Software EULA.

Download the version of the tool suitable for your operating system. You can also download the user’s guide or source code from the following links.

AES Key Upload

If you have re-configured your YubiKey to YubiKey OTP and want to use the YubiCloud, you need to upload your new AES key to us. This lets you use your Yubikey on services that use the YubiCloud, Yubico’s validation server.

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